[SCM] libav/experimental: Add PIX_FMT_Y400A, 8bit gray, 8bit alpha

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 4744f896e5290d30539b3531c017d574847cdd59
Author: Andreas Öman <andreas at lonelycoder.com>
Date:   Wed Apr 14 20:15:19 2010 +0000

    Add PIX_FMT_Y400A, 8bit gray, 8bit alpha
    
    Originally committed as revision 22881 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c
index e6da96b..15a7aaa 100644
--- a/libavcodec/imgconvert.c
+++ b/libavcodec/imgconvert.c
@@ -602,6 +602,7 @@ int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt,
     case PIX_FMT_BGR4:
     case PIX_FMT_MONOWHITE:
     case PIX_FMT_MONOBLACK:
+    case PIX_FMT_Y400A:
         picture->data[0] = ptr;
         picture->data[1] = NULL;
         picture->data[2] = NULL;
diff --git a/libavutil/pixdesc.c b/libavutil/pixdesc.c
index 6612b9e..82b3631 100644
--- a/libavutil/pixdesc.c
+++ b/libavutil/pixdesc.c
@@ -779,6 +779,14 @@ const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
         .log2_chroma_h = 1,
         .flags = PIX_FMT_HWACCEL,
     },
+    [PIX_FMT_Y400A] = {
+        .name = "y400a",
+        .nb_components= 2,
+        .comp = {
+            {0,1,1,0,7},        /* Y */
+            {0,1,2,0,7},        /* A */
+        },
+    },
 };
 
 static enum PixelFormat get_pix_fmt_internal(const char *name)
diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 9118d3d..9ea0ee0 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -132,6 +132,7 @@ enum PixelFormat {
     PIX_FMT_RGB444LE,  ///< packed RGB 4:4:4, 16bpp, (msb)4A 4R 4G 4B(lsb), little-endian, most significant bits to 0
     PIX_FMT_BGR444BE,  ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), big-endian, most significant bits to 1
     PIX_FMT_BGR444LE,  ///< packed BGR 4:4:4, 16bpp, (msb)4A 4B 4G 4R(lsb), little-endian, most significant bits to 1
+    PIX_FMT_Y400A,     ///< 8bit gray, 8bit alpha
     PIX_FMT_NB,        ///< number of pixel formats, DO NOT USE THIS if you want to link with shared libav* because the number of formats might differ between versions
 };
 

-- 
Libav/FFmpeg packaging